单词 | pseudosymmetry |
释义 | > as lemmaspseudosymmetry pseudosymmetry n. Brit. /ˌs(j)uːdə(ʊ)ˈsɪmᵻtri/ , U.S. /ˌsudoʊˈsɪmətri/ Crystallography the simulation of a higher level of symmetry (e.g. by twinning) in certain composite crystals.ΚΠ 1883 Amer. Naturalist 17 77 Mallard has just published a paper upon the action of heat upon crystallized substances, in which his former conclusions regarding pseudosymmetry appear to be confirmed. 1976 Physics Bull. Nov. 496/1 In such cases the high degree of pseudosymmetry makes the conventional spacegroup characterization an uninformative description. 1995 Amer. Mineralogist 80 1058 All crystals tested..showed a strong orthorhombic pseudosymmetry. This means that all crystals were twinned. < as lemmas |
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